2125000039919 has 2 divisors, whose sum is σ = 2125000039920. Its totient is φ = 2125000039918.

The previous prime is 2125000039913. The next prime is 2125000040063. The reversal of 2125000039919 is 9199300005212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125000039919 is a prime.

It is a super-3 number, since 3×2125000039919³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125000039913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062500019959 + 1062500019960.

It is an arithmetic number, because the mean of its divisors is an integer number (1062500019960).

Almost surely, 2^{2125000039919} is an apocalyptic number.

2125000039919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125000039919 is an equidigital number, since it uses as much as digits as its factorization.

2125000039919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 41.

The spelling of 2125000039919 in words is "two trillion, one hundred twenty-five billion, thirty-nine thousand, nine hundred nineteen".